🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.62 AU - 0.98 AU

Year: 267 Days

Day: 13.3 Hours

Environment

Temp: 153 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.67 AU - 1.09 AU

Year: 308 Days

Day: 24.4 Hours

Environment

Temp: 155 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.96 AU - 1.08 AU

Year: 384 Days

Day: 19.1 Hours

Environment

Temp: 25 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 80,497,562 km

• M1: 40,391 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.48 AU - 1.72 AU

Year: 754 Days

Day: 35.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.65 AU - 1.81 AU

Year: 848 Days

Day: 16.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.38 AU - 3.5 AU

Year: 1879 Days

Day: 36.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,497,562 km

• M1: 65,823 km (0.114 R)

Asteroid Belt

Center: 8.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.9

Radius: 5

Gravity: 31.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 12.93 AU - 15.45 AU

Year: 19926 Days

Day: 21.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,497,562 km

• M1: 63,130 km (0.095 R)
• M2: 346,020 km (0.114 R)
• M3: 765,193 km (0.115 R)
• M4: 1,330,673 km (0.09 R)
• M5: 3,373,881 km (0.066 R)
• M6: 4,480,456 km (0.109 R)
• M7: 4,656,234 km (0.044 R)
• M8: 5,288,734 km (0.089 R)
• M9: 6,676,852 km (0.114 R)
• M10: 10,029,490 km (0.116 R)
• M11: 10,270,193 km (0.071 R)
• M12: 12,064,021 km (0.109 R)
• M13: 17,268,531 km (0.074 R)
• M14: 18,770,344 km (0.077 R)
• M15: 22,031,129 km (0.116 R)
• M16: 22,953,400 km (0.08 R)
• M17: 25,762,249 km (0.043 R)
• M18: 28,311,247 km (0.1 R)
• M19: 30,017,860 km (0.105 R)
• M20: 33,903,665 km (0.074 R)
• M21: 41,718,957 km (0.117 R)
• M22: 47,377,496 km (0.1 R)
• M23: 48,225,417 km (0.047 R)
• M24: 48,738,986 km (0.077 R)
• M25: 53,526,567 km (0.114 R)
• M26: 68,665,273 km (0.053 R)
• M27: 73,301,161 km (0.12 R)
• M28: 73,980,037 km (0.108 R)
• M29: 76,273,073 km (0.113 R)
• M30: 76,737,275 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.6

Radius: 7.8

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 14.61 AU - 16.97 AU

Year: 23390 Days

Day: 24.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 138.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,497,562 km

• M1: 194,627 km (0.099 R)
• M2: 856,747 km (0.092 R)
• M3: 1,748,650 km (0.1 R)
• M4: 2,348,387 km (0.09 R)
• M5: 4,296,750 km (0.076 R)
• M6: 4,978,468 km (0.088 R)
• M7: 5,420,828 km (0.072 R)
• M8: 9,899,190 km (0.052 R)
• M9: 11,331,590 km (0.119 R)
• M10: 18,451,701 km (0.108 R)
• M11: 18,976,041 km (0.091 R)
• M12: 26,285,692 km (0.092 R)
• M13: 27,738,288 km (0.105 R)
• M14: 29,836,697 km (0.073 R)
• M15: 30,802,501 km (0.072 R)
• M16: 31,293,032 km (0.052 R)
• M17: 34,610,066 km (0.113 R)
• M18: 37,733,520 km (0.114 R)
• M19: 38,578,149 km (0.093 R)
• M20: 42,839,295 km (0.056 R)
• M21: 54,932,488 km (0.098 R)
• M22: 63,220,210 km (0.099 R)

Asteroid Belt

Center: 16.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 17.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.1

Radius: 4.1

Gravity: 27.73 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 15.79 AU - 18.43 AU

Year: 26383 Days

Day: 22.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,497,562 km

• M1: 76,295 km (0.08 R)
• M2: 231,877 km (0.079 R)
• M3: 647,460 km (0.101 R)
• M4: 1,149,211 km (0.101 R)
• M5: 1,760,767 km (0.11 R)
• M6: 2,401,495 km (0.083 R)
• M7: 3,048,356 km (0.104 R)
• M8: 3,529,762 km (0.066 R)
• M9: 5,595,409 km (0.111 R)
• M10: 6,270,245 km (0.115 R)
• M11: 7,236,049 km (0.026 R)
• M12: 13,508,389 km (0.113 R)
• M13: 13,878,045 km (0.105 R)
• M14: 21,437,524 km (0.096 R)
• M15: 34,672,747 km (0.078 R)
• M16: 44,732,007 km (0.045 R)
• M17: 51,219,469 km (0.034 R)
• M18: 54,873,097 km (0.063 R)
• M19: 58,892,194 km (0.079 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 16,385 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit